On Fri, Apr 28, 2017 at 5:46 AM, Felix Miata <[email protected]> wrote: > Felix Miata composed on 2017-04-28 05:22 (UTC-0400): > >> Felix Miata composed on 2017-04-27 06:35 (UTC-0400): > >>> openSUSE Tumbleweed >>> kernel 4.10.10 >>> server 1.19.3 >>> ATI HD5450 PCIe gfxcard (Cedar) > ... > When I use this startup script: > xrandr --output DVI-0 --primary --mode 1920x1200 --left-of HDMI-0 > xrandr --output HDMI-0 --mode 1920x1080 > xrandr --output VGA-0 --mode 1680x1050 --above DVI-0 > xrandr --dpi 108 > > things improve dramatically. 1920x1080 appears right of 1920x1200, and mouse > can > reach them both, but 1680x1050 remains asleep. > Xrandr and Xorg.0.log combined: > http://fm.no-ip.com/Tmp/Linux/Xorg/ATI3/xorg.0.log-tw-fi965-hd5450-atiDrv-viz-e > > Is this low-budget Sapphire ATI Cedar gfxcard not supposed to be able to > produce > on all three outputs at once?
All evergreen cards only have 2 PLLs so that means they can only support two independent clocks. If you want to use more than two displays, you'll need to use displayport or for non-displayport, at least two of the displays need to be using the exact same display timing. Alex _______________________________________________ xorg-driver-ati mailing list [email protected] https://lists.x.org/mailman/listinfo/xorg-driver-ati
